When you are making or receiving a call make sure the noise suppression is (off). This is done by touching the three vertical icon buttons and then touch (turn noise suppression off). The three vertical icon buttons only appear when you are making or receiving a call. It happen to me on my Pantech and this is how I fixed it.
Silly question but is your mute on?
by ryantully
that's a comment not an answer :-)
by oldturkey03
When you are making or receiving a call make sure the noise suppression is (off). This is done by touching the three vertical icon buttons and then touch (turn noise suppression off). The three vertical icon buttons only appear when you are making or receiving a call. It happen to me on my Pantech and this is how I fixed it.
by wdwckay